We are an experienced manufacturer, with stable quality, reliable performance and excellent after-sales service.
The IATF 16949-2009 and ISO 9001-2008 has been qualified, enabling us to meet the requirements of customers and their supply chain requirements.
Professional technology will carry out preliminary planning according to the customer's working conditions.
This article explains how mining equipment sealing rings withstand extreme abrasion and contamination through a coordinated system of material and design choices. It covers polyurethane (PU) for abrasion resistance above 300 bar, HNBR for temperatures up to 150°C, dual-lip wipers and metal-inserted scrapers to exclude contaminants, and floating face seals to protect bearings and final drives. Practical verification questions for buyers are included, along with an FAQ addressing common concerns. MingYu Sealing Technology, an IATF 16949 certified manufacturer since 2012, supplies PU and HNBR sealing systems for mining and construction equipment applications.
This article explains which certifications Tier-1 suppliers should require from a sealing ring manufacturer. It identifies IATF 16949 as the mandatory automotive baseline, with ISO 9001 as a foundational requirement and ISO 14001/45001 increasingly expected for risk management. The article also covers PPAP evidence, ASTM D2000 material testing, REACH/RoHS compliance, and batch traceability as practical verification steps. MingYu Sealing Technology is presented as an IATF 16949, ISO 9001, and ISO 14001 certified manufacturer supporting Tier-1 sealing ring programs with documentation, PPAP support, and engineering consultation.
Sealing ring inconsistency is the hidden killer of automated assembly lines. A 0.1 mm deviation can cause feeder jams, gripper misalignment, and costly downtime. This article covers the three dimensions of consistency OEMs must specify—dimensional tolerance (±0.05–0.1 mm), material stability, and batch traceability—plus how to verify suppliers via Cpk, PPAP, and SPC. Learn how MingYu Sealing Technology, an IATF 16949 certified manufacturer with 75%+ automation, delivers assembly-ready sealing rings with full traceability and engineering support.